albertsr / anomaly-detection Goto Github PK
View Code? Open in Web Editor NEWUnSupervised and Semi-Supervise Anomaly Detection / IsolationForest / KernelPCA Detection / ADOA / etc.
Home Page: https://github.com/Albertsr/Anomaly-Detection
UnSupervised and Semi-Supervise Anomaly Detection / IsolationForest / KernelPCA Detection / ADOA / etc.
Home Page: https://github.com/Albertsr/Anomaly-Detection
大神您好,请问您的KADOA那个算法有发表文章吗?我可以把你的这个算法用在我的paper上吗?我是做visulization的。
导入:from coverage import weighted_coverage,请问您的coverage是什么版本呢?我找了很多不同版本的coverage,里面都没有找到weighted_coverage这个函数
self.theta * isolation_score_scaled * + (1-self.theta) * similarity_score_scaled
,按论文意思显然公式中的*
是多余的。但是去除*
后AUC反而大幅度下降,这是为什么?def determine_trainset(self):
weighted_score = self.cal_weighted_score()
min_score, max_score, median_score = [func(weighted_score) for func in (np.min, np.max, np.median)]
anomalies_score = weighted_score[:len(self.anomalies)]
unlabel_scores = weighted_score[len(self.anomalies):]
self.alpha = np.mean(anomalies_score) if self.alpha == 'auto' else self.alpha
#change total_score ?? but i canot find total_score
self.beta = median_score if median_score < self.alpha else np.percentile(total_score, 45)
assert self.beta < self.alpha, 'beta should be smaller than alpha.'
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